Four Seasons 26731 A/C System O-Ring and Gasket Kit

Reliable A/C System Sealing for Select GM Vehicles

The Four Seasons AC System Seal Kit 26731 provides essential sealing components designed for effective maintenance of automotive air conditioning systems. This kit includes a variety of green and black o-rings along with aluminum gaskets, engineered to restore proper sealing and prevent refrigerant leaks in compatible Buick, Cadillac, Oldsmobile, and Pontiac models.

• Includes green and black o-rings for diverse sealing applications
• Durable aluminum gaskets for reliable system integrity
• Compatible with multiple GM makes and models including Buick LeSabre and Cadillac DeVille
• Part number 26731 ensures precise identification and fitment
• Designed for use in A/C system repairs and maintenance

About the Four Seasons AC System Seal Kit Line

The AC System Seal Kit product line from Four Seasons focuses on providing comprehensive sealing solutions for automotive air conditioning systems. These kits combine various o-rings and gaskets made from materials selected to withstand refrigerant exposure and temperature fluctuations. The 26731 kit is part of this line, offering a tailored selection of seals compatible with specific GM vehicles to maintain system efficiency and prevent leaks.

Detailed Product Description

This A/C System O-Ring and Gasket Kit includes green and black o-rings along with aluminum gaskets, each chosen for their compatibility with refrigerants and durability under operating conditions. The green o-rings typically serve as refrigerant seals, while the black o-rings provide additional sealing where required. Aluminum gaskets offer a metal-to-metal seal that resists corrosion and maintains system pressure. The kit is designed for use in air conditioning systems of Buick, Cadillac, Oldsmobile, and Pontiac vehicles such as the 60 Special, Eldorado, Bonneville, and Riviera, among others.

Common Applications and Issues Addressed

• Sealing refrigerant leaks in A/C lines and components
• Replacing worn or damaged o-rings and gaskets during system repairs
• Preventing loss of cooling efficiency due to compromised seals
• Maintaining proper system pressure and preventing contamination
• Supporting routine A/C system maintenance and rebuilds

Installation Notes and Tips

Before installation, ensure all mating surfaces are clean and free of debris. Lubricate o-rings with the appropriate refrigerant oil to prevent damage during assembly. Verify correct placement of green and black o-rings according to the service manual for your specific vehicle model. Use the aluminum gaskets as specified to maintain proper sealing and torque components to manufacturer specifications. Proper installation helps avoid leaks and extends the service life of the A/C system.

Quality Assurance and Warranty

Four Seasons AC System Seal Kits are manufactured to meet industry standards for durability and compatibility with automotive refrigerants. While specific warranty details for part number 26731 are not provided here, Four Seasons products typically come with a limited warranty against defects in material and workmanship. Refer to the product packaging or manufacturer documentation for complete warranty information.